{The Constitution (Scheduled Castes) Order, 1950 lists 1,108 castes across 25 states in its First Schedule [Ref. Text of the Constitution (Scheduled Castes) Order, 1950 as amended], and the Constitution (Scheduled Tribes) Order, 1950 lists 744 tribes across 22 states in its First Schedule [Ref. Text of the Constitution (Scheduled Tribes) Order, 1950 as amended]}.